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        "molfile": "\n  Marvin  01132101472D          \n\n  3  0  0  0  0  0            999 V2000\n   -1.4063   -1.7188    0.0000 Sn  0  0  0  0  0  0  0  0  0  0  0  0\n    2.6563   -1.7188    0.0000 O   0  6  0  0  0  0  0  0  0  0  0  0\n    2.6563   -1.7188    0.0000 O   0  6  0  0  0  0  0  0  0  0  0  0\nM  CHG  3   1   4   2  -2   3  -2\nM  STY  1   1 MUL\nM  SCN  1   1 HT \nM  SAL   1  2   2   3\nM  SPA   1  1   2\nM  SDI   1  4    2.2363   -2.1388    2.2363   -1.2988\nM  SDI   1  4    3.0763   -1.2988    3.0763   -2.1388\nM  SMT   1 2\nM  END",
        "smiles": "[O-2].[O-2].[Sn+4]",
        "formula": "2O.Sn",
        "atropisomerism": "No",
        "charge": 0,
        "count": 1,
        "stereochemistry": "ACHIRAL",
        "defined_stereo": 0,
        "ez_centers": 0,
        "molecular_weight": "150.7089",
        "optical_activity": "NONE",
        "references": [
          "29489547-067d-4805-93b3-60caca3afdea",
          "f7650342-c1c3-4197-a052-78a50d93e3e7"
        ],
        "stereo_centers": 0
      },
      "unii": "KM7N50LOS6"
    }
  ]
}